9015897849 has 16 divisors (see below), whose sum is σ = 14058012672. Its totient is φ = 5032128528.

The previous prime is 9015897833. The next prime is 9015897853. The reversal of 9015897849 is 9487985109.

It is not a de Polignac number, because 9015897849 - 2⁴ = 9015897833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9015897792 and 9015897801.

It is not an unprimeable number, because it can be changed into a prime (9015897859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4991289 + ... + 4993094.

It is an arithmetic number, because the mean of its divisors is an integer number (878625792).

Almost surely, 2^9015897849 is an apocalyptic number.

It is an amenable number.

9015897849 is a deficient number, since it is larger than the sum of its proper divisors (5042114823).

9015897849 is a wasteful number, since it uses less digits than its factorization.

9015897849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9984436.

The product of its (nonzero) digits is 6531840, while the sum is 60.

The square root of 9015897849 is about 94952.0818571136. The cubic root of 9015897849 is about 2081.3078751394.

The spelling of 9015897849 in words is "nine billion, fifteen million, eight hundred ninety-seven thousand, eight hundred forty-nine".